POWER SOURCE SYSTEM
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United States of America Patent
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Issued Date -
Oct 10, 2024
app pub date -
Jan 30, 2024
filing date -
Apr 5, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A battery string is configured such that a plurality of battery circuit modules can be connected in series. A middle point between a first capacitor and a second capacitor provided on a detection line connecting a positive electrode output line and a negative electrode output line of the battery string to each other is grounded by a ground line through a limiting resistor. During operation of the battery string, an electric leakage detection unit sets a battery circuit module in a pass-through state, and detects electric leakage in the battery string based on a differential voltage that is a difference between a first voltage being the voltage of the first capacitor and a second voltage being the voltage of the second capacitor.
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